Katkajmy [katˈkai̯mɨ] is a village in the administrative district of Gmina Kętrzyn, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 6 kilometres (4 mi) west of Kętrzyn and 63 km (39 mi) north-east of the regional capital Olsztyn.